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This allows us to have a reasonable, valuable conversation about an important problem: the failure of the education system to help a majority of students to reach their academic potential. We clearly do not have a problem of over-education among women. Even among Whites alone, women as well as men are graduating college at rates lower than those in the most educationally advanced societies (which used to include the United States). Rather, we have a dysfunctional system that underperforms for men more than for women.

Rather than focusing on the full range of educational failures, DiPrete and Buchmann focus on a low-hanging fruit policy question: How can we improve college degree attainment for the approximately one-third of students who are ready to graduate college but do not, because they do not have the resources, they change their minds for some reason, or they are not adequately supported in the endeavor?

Women up

Since the 1980s, women have gotten the majority of bachelor's degrees. That's mostly because they also perform better in high school, getting better grades and taking more advanced courses. DiPrete and Buchmann set aside the issue of the potential cognitive advantages of girls, which may or may not be "innate." Such differences are too small and stable to account for the rapid change and large advantage in educational attainment women now hold. The reasons we do not have more people completing college—and gaining more skills and knowledge to enrich their lives—are not genetic or biological, but rather social and economic. We can do better, for both men and women.

While women have continued their upward historical educational trajectory since World War II, men's achievement of college degrees stagnated—coinciding historically with the growing necessity of having higher education for economic security. If you ever needed proof that majorities of people do not respond in predictably self-interested ways to economic incentives, it is the stagnation of male college graduation rates even as the returns to a college degree spiked upward.

DiPrete and Buchmann's sensible policy suggestions draw from this key insight: The difference between men and women, and how it has changed, can best be understood by studying differences among men and women—within genders. That means we don't just study what family, school, and environmental effects matter, but who is most strongly affected by such differences in the social context.

One important lesson: Schools with high overall performance have a smaller female advantage. That leads to the straightforward conclusion that we can address the gender gap partly by increasing the quality of schools across the board. Easier said than done, but no less important—or less true—for it.

Men up

It is important to connect women's educational rise with the other trends that have upended gender relations in the U.S., and the authors do an admirable job of tying these in. In particular, the rise in women's employment opportunities, the decline or delay in marriage, and falling fertility rates have all increased the incentives for (and ability of) women to complete college. And, of course, the rise in education has in turn fueled these other developments as well. For example, college graduate women as well as men are more likely to get (and stay) married than those who completed high school only. Maybe by getting a college degree they improve their marriage-market options—and reduce the odds that they will divorce by increasing the educational parity in their marriages.

While the title of DiPrete and Buchmann's book is overly dramatic, the subtitle is appropriately limited: The Growing Gender Gap in Education and What it Means for American Schools. Because although women are more likely to graduate college and get some advanced degrees than men are today, there is nothing in this trend that implies women will surpass men in overall earnings or economic (much less political) power in the foreseeable future.

Education, especially measured at the bachelor's degree level, is merely one indicator in a whole suite of gender dynamics in which men overwhelmingly dominate. Further, women's educational advantage is not so great that they will overcome the labor-market advantages that men have at all educational levels, the imbalances within families that persist today, or the tendency of women to end up in less lucrative fields of study and thus occupations.

The biggest problem for gender inequality among the college-educated remains the lack of gender integration across fields of study, which stalled in the 1980s. Men and women still largely educate themselves in different fields, with dramatic implications for their career trajectories and earnings throughout their lives. Segregation in fields of study is closely related to the issue of occupational segregation in the labor market. Both reflect a complex combination of choices and constraints made in varying social contexts—with decisions made early in life producing irreversible effects. In the latest reports, women are just 26 percent of workers in computer and math-related professional occupations and 14 percent of those in architectural and engineering professions.

And DiPrete and Buchmann's analysis helps understand this stubborn problem. They report that high school is the key location to understand major-field segregation. Among high school boys and girls with strong interest in science and technology fields, there is no gender gap in the likelihood of completing such a major. The difference is in the rates of intention to major in those areas. Between 8th and 12th grade, girls lose interest in science, technology, engineering, and mathematics (STEM fields, for short) much more than boys do.

Women's desire for people-oriented work, for work that is intrinsically interesting, and for occupations that permit work-family balance cannot fully explain their lower rates of majoring in STEM-related fields. Rather, the major source of the difference is that women do not express interest in STEM-related careers while in high school—and that is not because high school girls are not as good at math and science. Instead, the difference may be that boys believe they are better at math and science, especially math. The key policy insight in this area is that science-intensive high school environments greatly increase girls' interests in physical science and engineering-related careers.

This is an important book, and although somewhat technical in its analysis sections it deserves a wide readership.

I have two minor complaints about The Rise of Women. The first is over its insistent focus on the four-year college degree and the economic benefits it brings. The fact that women receive more bachelor's degrees than men but continue to earn less money confirms that a bachelor's degree is not a first-class ticket to labor-market success. Although this helps to focus the book, it also distracts from the more universal problems we have, including an obsession with the material benefits of education.

DiPrete and Buchman conclude that we need to find ways to motivate students in middle and high school to devote more energy to their studies, by improving the quality of education as well as the quality of information students have to make the connection between what they learn in school and their future career ambitions. Too many boys don't cognitively grasp that the difference between merely making it versus excelling through high school is measured in higher education success and potential career satisfaction. Finding ways to get this across might really help their motivation to work harder, the authors argue. But truly high-quality education takes students beyond such material calculations into the realm of the intrinsic beauty of discovery, the power of wonder, and the search for knowledge as a key to life, the universe and everything.

My second knock is that the authors seem not to notice the broad trend of slowing advances for women. For example, even though their charts show it, they don't mention that the share of law and medical degrees earned by women slowed and then peaked in the early 2000s—and has declined since. Naturally, that is not the central concern of a study devoted to understanding women's advantages. But in the context of the general gender stall, it's important to realize that women's progress across many areas is highly interrelated.